In data for 5688 ch ildren , age-an d sex-specific com parison s of weigh t, h eigh t, body m ass in dex (BMI), an d skin fold data are m ade with an accepted British stan dard an d also with th e recen tly developed in tern ation al stan dard based on pooled data from several cou n tries. 3 Usin g th ese stan dards, th e au th ors also m ake age-an d sex-specific com parison s across eth n ici...